Home / 47,782.52-71,688.24-19,304.84

Finding the Fourth Proportional to 47,782.52, 71,688.24 and 19,304.84

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Solution

The fourth proportional to 47,782.52, 71,688.24 and 19,304.84 is: 28,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,782.52 : 71,688.24 = 19,304.84 : x
  2. Step 2: Convert to fraction form
    47,782.52/71,688.24 = 19,304.84/x
  3. Step 3: Cross multiply
    47,782.52x = 71,688.24 × 19,304.84
  4. Step 4: Simplify right side
    47,782.52x = 1,383,930,003.08
  5. Step 5: Solve for x
    x = 1,383,930,003.08/47,782.52
  6. Step 6: Final answer
    x = 28,963.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.